US 12,074,820 B2
Protocol and frame format for coordinated beamforming
Jung Hoon Suh, Kanata (CA); Yan Xin, Kanata (CA); Osama Aboul-Magd, Kanata (CA); and Kwok Shum Au, Ottawa (CA)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed on Sep. 24, 2021, as Appl. No. 17/484,709.
Prior Publication US 2023/0102611 A1, Mar. 30, 2023
Int. Cl. H04L 5/00 (2006.01); H04B 7/024 (2017.01); H04B 7/0456 (2017.01); H04W 24/10 (2009.01)
CPC H04L 5/0053 (2013.01) [H04B 7/0456 (2013.01); H04W 24/10 (2013.01)] 15 Claims
OG exemplary drawing
 
6. A method comprising:
receiving, by a first access point (AP) from a second AP, a first share message including channel state information (CSI) associated with the second AP, wherein the first AP and the second AP are in collaboration; and
sending, by the first AP to the second AP, a second share message comprising a frame including one or more fields indicating one or more of:
a selected user field indicating the CSI associated with the first AP; and
one or more fields indicating one or more of: an identifier of the first AP; an indication that the frame is an AP-AP share frame; one or more stations (STAs) associated with the first AP; one or more streams per STA of the one or more STAs associated with the first AP; and precoder information associated with the second AP.